Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Door schedule

Graphite and gesso on paper

Watercolor on off-white wove paper, mounted to heavy cardboard

Graphite on paper

Charcoal on off-white wove paper

Black crayon on paper

Crayon on paper

Transparent and opaque watercolor and charcoal on gray wove paper

Black crayon and charcoal on heavy off-white wove paper

Graphite on white wove paper

Black crayon over graphite on brown wove paper

Watercolor and gouache on off-white illustration board

Watercolor and graphite on white wove paper